13421435 has 4 divisors (see below), whose sum is σ = 16105728. Its totient is φ = 10737144.

The previous prime is 13421411. The next prime is 13421437. The reversal of 13421435 is 53412431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13421435 - 2¹⁶ = 13355899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13421435.

It is not an unprimeable number, because it can be changed into a prime (13421437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342139 + ... + 1342148.

It is an arithmetic number, because the mean of its divisors is an integer number (4026432).

Almost surely, 2^13421435 is an apocalyptic number.

13421435 is a deficient number, since it is larger than the sum of its proper divisors (2684293).

13421435 is an equidigital number, since it uses as much as digits as its factorization.

13421435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684292.

The product of its digits is 1440, while the sum is 23.

The square root of 13421435 is about 3663.5276715210. The cubic root of 13421435 is about 237.6473545398.

Adding to 13421435 its reverse (53412431), we get a palindrome (66833866).

The spelling of 13421435 in words is "thirteen million, four hundred twenty-one thousand, four hundred thirty-five".